/* C program to find the sum of all elements of  an array using pointers as arguments */

#include <stdio.h>

void main()
{
static int array[5]={ 200,400,600,800,1000 };
int sum;

int addnum(int *ptr);     /* function prototype */

sum = addnum(array);

printf(“Sum of all array elements = %5d\n”, sum);

}     /* End of main() */

int addnum(int *ptr)
{
int index, total=0;

for(index = 0; index < 5; index++)
{
total += *(ptr+index);
}
return(total);
}
/*———————————–
Output
Sum of all array elements =  3000
————————————*/

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